Elements and Compounds

Which of the following illustrations best describes a compound?

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Which of the following elements is said to be the backbone of life?

• Carbon

• Oxygen

• Hydrogen

• Nitrogen

what does this illustration tells us?

• a compound

• an atom

• a mixture

• an element

Which of the following elements supplies helps transport oxygen the all over the body?

• Iodine

• Iron

• Potassium

• Calcium

Which element can be found in all most all of the food labels?

• Magnesium

• Potassium

• Sodium

• Iron

Which group of elements where the name and symbol were derived from ancient name?

• Copper, Iron, Fermium

• Gold, Silver, Mercury

• Calcium, Plutomium, Oxygen

• Carbon,Oxygen, iron

Which element is named after Enrico Fermi?

• Curium

• Americium

• Fermium

• Sodium

Which compound can be found mostly in food labels?

• Lipids

• Carbohydrates

• Protein

• Nucleotieds

Which illustration best illustrate an atom?

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Which illustration illustrates mixture?

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